WM8325 datasheet(202/254 Pages) WOLFSON

202 / 254 page

WM8325

Production Data

PD, February 2012, Rev 4.0

202

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

LDO1_FLT

LDO1 Output float

0 = LDO1 output discharged when disabled

1 = LDO1 output floating when disabled

LDO1_SWI

LDO1 Switch Mode

0 = LDO mode

1 = Switch mode

LDO1_LP_MO

LDO1 Low Power Mode Select

0 = 50mA (reduced quiescent current)

1 = 20mA (minimum quiescent current)

Selects which Low Power mode is used in ON, SLEEP,

or under HWC modes.

LDO1 Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16489

(4069h)

LDO1 ON

Control

15:13

LDO1_ON_SL

OT [2:0]

000

LDO1 ON Slot select

000 = Do not enable

001 = Enable in Timeslot 1

010 = Enable in Timeslot 2

011 = Enable in Timeslot 3

100 = Enable in Timeslot 4

101 = Enable in Timeslot 5

110 = Controlled by Hardware Enable 1

111 = Controlled by Hardware Enable 2

LDO1_ON_MO

LDO1 ON Operating Mode

0 = Normal mode

1 = Low Power mode

4:0

LDO1_ON_VS

EL [4:0]

0_0000

LDO1 ON Voltage select

0.9V to 1.6V in 50mV steps

1.7V to 3.3V in 100mV steps

00h = 0.90V

01h = 0.95V

…

0Eh = 1.60V

0Fh = 1.70V

…

1Eh = 3.20V

1Fh = 3.30V

LDO1 ON Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16490

(406Ah)

LDO1

SLEEP

Control

15:13

LDO1_SLP_SL

OT [2:0]

000

LDO1 SLEEP Slot select

000 = SLEEP voltage / operating mode transition in

Timeslot 5

001 = Disable in Timeslot 5

010 = Disable in Timeslot 4

011 = Disable in Timeslot 3

100 = Disable in Timeslot 2

WM8325 Datasheet(PDF) 202 Page - Wolfson Microelectronics plc

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